Web/API/Element/focusin event

From Get docs


The focusin event fires when an element is about to receive focus. The main difference between this event and focus is that focusin bubbles while focus does not.

The opposite of focusin is focusout.

Bubbles Yes
Cancelable No
Interface FocusEvent
Event handler property onfocusin
Sync / Async Sync
Composed Yes

Examples

Live example

HTML

<form id="form">
  <input type="text" placeholder="text input">
  <input type="password" placeholder="password">
</form>

JavaScript

const form = document.getElementById('form');

form.addEventListener('focusin', (event) => {
  event.target.style.background = 'pink';    
});

form.addEventListener('focusout', (event) => {
  event.target.style.background = '';    
});

Result

Specifications

Specification Status Comment
UI Events Working Draft Added info that this event is composed.
Document Object Model (DOM) Level 3 Events Specification Obsolete Initial definition

Browser compatibility

Update compatibility data on GitHub

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari Android webview Chrome for Android Firefox for Android Opera for Android Safari on iOS Samsung Internet
focusin event Chrome

Full support 1

Edge

Full support 12

Firefox

Full support 52

IE

Full support 9

Opera

Full support 11.6

Safari

Full support 5

WebView Android

Full support 1

Chrome Android

Full support 18

Firefox Android

Full support 52

Opera Android

Full support 12.1

Safari iOS

Full support 4.2

Samsung Internet Android

Full support 1.0

Legend

Full support  
Full support


See also